Window shade roller assembly

Claim 1

A shade roll assembly comprising in combination: a shade roll; an engagement apparatus formed at a first end of the shade roll for supporting the shade roll; apparatus for supporting rotatably a second end of the shade roll; a shade roll actuating and rotating system organized at the first end of the shade roll, said shade roll actuating and rotating system including a mounting plate having a pin extending therefrom axially of the shade roll, a wheel mounted rotatably on the pin and having one vertical face arranged and organized in frictional contact with the mounting plate, the wheel having a hub of a diameter smaller than the shade roll and projecting from an opposite face thereof, a plurality of projections extending radially from the hub in slidable engagement with the engagement mechanism for supporting the first end of the shade roll on the hub, a spring mounted on the pin inward relative to the shade roll and beyond the hub, means mounted on a free end of the pin organized and arranged for urging the spring means against the hub and in turn a face of the wheel against the mounting plate, and a wheel engaging mechanism organized and adapted to rotate the wheel and in turn the shade roll mounted on the hub; the shade roll assembly characterized in that all of the elements of said shade roll actuating and rotating system are mounted on the engagement apparatus.